以枸杞為例,一項發表於《Photochemistry and Photobiology Sciences》的動物實驗發現,飲用含5%枸杞汁的小鼠,在接受模擬紫外線照射後,皮膚的發炎腫脹反應明顯減輕,研究團隊認為這與體內兩種保護蛋白(血基質氧化酶-1與金屬硫蛋白)被活化有關(註3)。這類研究說明的是「機轉上合理」,也就是枸杞裡的成分確實能啟動身體對抗氧化壓力的路徑,但動物實驗的劑量與人體日常飲用的份量並不相同,不能直接畫上等號。
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李時珍.《本草綱目》.(傳統醫學典籍,文中引用屬觀念詮釋,非現代療效證明)
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